
  var obj = {
    name : "leo",
    fn: function(){

    },

    // fangfa
    fn2(a,b,c=22){

    },

    get x(){
      return 111;
    },
    set x(v){
      console.log("vv=",v);
    }
  }

  obj.x = 2222;
  console.log(obj.x);
